CN101029848A - Continuous temperature sensing method and apparatus for high-temperature liquid - Google Patents
Continuous temperature sensing method and apparatus for high-temperature liquid Download PDFInfo
- Publication number
- CN101029848A CN101029848A CN200710067103.XA CN200710067103A CN101029848A CN 101029848 A CN101029848 A CN 101029848A CN 200710067103 A CN200710067103 A CN 200710067103A CN 101029848 A CN101029848 A CN 101029848A
- Authority
- CN
- China
- Prior art keywords
- temperature
- temp
- liquid
- temperature tube
- temp liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims abstract description 25
- 230000037431 insertion Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- 230000005855 radiation Effects 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000004861 thermometry Methods 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000002893 slag Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Radiation Pyrometers (AREA)
Abstract
A continuously measuring method of high temperature liquid includes inserting temperature measurement tube into high temperature liquid, varying insertion depth of said temperature measurement tube in said liquid and measuring out sensed temperature of said tube for obtaining temperature of said high temperature liquid. The device used for realizing said method is also disclosed.
Description
Technical field
The present invention relates to temperature survey, particularly a kind of continuous temperature measurement method and apparatus that is applied to high-temp liquid.
Background technology
In the production run of metallurgical and glass etc., realize to the continuous coverage of motlten metal, glass equitemperature to the adjustment production technology, cut down the consumption of energy, improve the quality significant.
Notification number is that the Chinese patent of CN1116593C discloses " a kind of liquid steel temperature method for continuous measuring and temperature tube ", and concrete grammar is: a temperature tube is provided, and this temperature tube is a complex pipe, and inside and outside two sleeve pipes all are end openings, end sealing; The blind end of described temperature tube is inserted in the molten steel, and the length of insertion is equal to or greater than 15 with the ratio of the internal diameter of described temperature tube, with the ratio of the external diameter of described temperature tube greater than 3; The other end of described temperature tube is linked to each other with temperature measurer; By described temperature measurer described temperature tube is inserted the heat radiation of sending the inner sleeve end in the molten steel and analyze, thereby calculate the temperature of molten steel.Use bimetallic tube in the described patent of invention, increased the serviceable life of described temperature tube, improved the time of continuous coverage.But this method also has deficiency: in the molten steel smelting process, floating one deck slag on the liquid level of molten steel, described slag is the three-phase mixture of solid-state, liquid state and gaseous state, to the corrosion of the temperature tube that is in the slag layer with corrode especially severe, often cause temperature tube to rupture at the slag line place, waste whole temperature tube, improved operating cost.
Notification number is that the Chinese patent of CN2729672Y discloses a kind of " high-temp liquid temperature measuring equipment ", the working method of this device is: the temperature of individual layer temperature tube perception high-temp liquid is also sent heat radiation, optical system in the sighting tube receives the radiation light-wave of temperature tube bottom and send the photoelectric colorimetry sensor, photoelectric sensor carries out filtering and beam split to light signal, and sending photoelectric cell to be converted to electric signal the infrared light of two different wave lengths, intelligence instrument records actual temperature according to electric signal.This patent does not solve high-temp liquid equally to temperature tube corrosion with corrode serious problem.
Summary of the invention
In order to solve above shortcomings in the prior art, the invention provides a kind of effective prolongation temperature tube continuous temperature measurement method and apparatus that is applied to high-temp liquid in serviceable life.
For achieving the above object, the present invention adopts the continuous coverage of following method realization to temperature of high-temp liquid:
A kind of continuous temperature measurement method that is applied to high-temp liquid, there is scum layer on described high-temp liquid surface; Said method comprising the steps of:
A. be inserted in the high-temp liquid after described temperature tube being passed scum layer;
B. change the insertion depth of described temperature tube in described high-temp liquid, be used to change the position that described temperature tube is corroded or corrodes by described scum layer;
C. record the sense temperature of described temperature tube, and then obtain the temperature of high-temp liquid.
Among the described step b, adopt mode continuous or that be interrupted to change the insertion depth of described temperature tube in described high-temp liquid.
When adopting discontinuous manner, change the thickness of the moving step length of the insertion depth of temperature tube in described high-temp liquid more than or equal to described scum layer.
Also record the liquid level of described high-temp liquid in the measuring process.
Described high-temp liquid is a molten steel.
The mode of the insertion depth of described change temperature tube in described high-temp liquid is for increasing or reduce described insertion depth.
Described temp measuring method adopts a kind of in radiation temperature measurement technology, brightness thermometry, color comparison temperature measurement technology and the thermocouple temperature measurement technology.
For realizing said method, the invention allows for a kind of like this continuous temperature measurement device that is applied to high-temp liquid, comprise that an end inserts the temperature tube of high-temp liquid, the temperature measurer that is connected with the temperature tube other end; Described temperature measuring equipment also comprises the described temperature tube of driving so that temperature tube drive unit that insertion depth changes in described high-temp liquid and the control device of the mode of motion of described temperature tube being made control; Described drive unit and control device cooperate changes the insertion depth of temperature tube in high-temp liquid continuously or discontinuously in measuring process.
Described temperature measuring equipment also comprises the liquid surface measuring device that is used to measure the high-temp liquid liquid level.
Described high-temp liquid is a molten steel.
According to technical scheme of the present invention, since considered high-temp liquid at the slag line place to temperature tube corrosion with corrode serious problem, adopt temperature tube is contacted with the surface scum of high-temp liquid, thereby prolong the serviceable life of whole temperature tube effectively, reduced operating cost.
Description of drawings
Fig. 1 is the structural representation of a kind of temperature continuous measuring device of the present invention;
Fig. 2 is temperature tube insertion depth and a time chart among the embodiment 1;
Fig. 3 is temperature tube insertion depth and a time chart among the embodiment 2;
Fig. 4 is temperature tube insertion depth and a time chart among the embodiment 3.
Embodiment
Below in conjunction with drawings and Examples, the present invention is done further detailed description.
Embodiment 1:
As shown in Figure 1, be used for temperature of high-temp liquid is carried out the device of continuous coverage, be applied in the ladle 6 in molten steel 7 continuous temperature measurements, described measurement mechanism comprises temperature tube 2, temperature measurer, drive unit 11 and control device.There is one deck scum silica frost 8 on described molten steel 7 surfaces.Described temperature measurer is a radiation temperature measurement device, comprises the temperature probe 3, optical fiber 4, the signal processor 1 that are installed in temperature tube 2 one ends.Described liquid surface measuring device 5 is installed in the bottom of ladle 6 as pressure transducer, utilizes weight method to record the liquid level of molten steel 7.Can certainly reach described pressure transducer of generation with devices such as high temperature liquid level gauges.Described temperature tube 2 is the complex pipes that are made of interior pipe and outer tube, and internal and external casing all is end openings, end sealing.
Described drive unit 11 is used to make the described temperature tube 2 and the position of described molten steel 7 liquid levels to relatively move, and becomes greatly or diminishes even also described temperature tube 2 is inserted into the length of described molten steel 7.Described drive unit 11 can be a hydraulic means or by (present embodiment adopt the latter) such as mobile devices of step motor control.Described drive unit 11 is installed on the montant 10, and can move up and down along montant 10 also can be around montant 10 rotations.Described control device is installed in the described signal processor 1, is used to control described drive unit 11 or moves continuously or discontinuously, thereby make described temperature tube or continuously or motion in described molten steel 7 discontinuously.Described temperature tube 2 and temperature probe 3 are lifted on the cross bar 12 that is connected with described drive unit 11.
Present embodiment has also disclosed a kind of continuous temperature measurement method that is applied to molten steel, also is the course of work of above-mentioned continuous temperature measurement device, as shown in Figure 2, said method comprising the steps of:
A. control described drive unit 11, be inserted in the molten steel 7 after described temperature tube 2 is passed scum silica frost 8, making insertion depth is L
1Described temperature tube 2 insertion depth in molten steel is L
1The residence time Δ t=t at place
2-t
1Be smaller than temperature tube 2 and corroded by scum silica frost 8 and corrode and time of breaking and, the classification and the described temperature tube 2 employed materials of concrete time and described molten steel 7 and scum silica frost 8 are relevant, and described residence time Δ t is stored in the described control device;
B. when described residence time Δ t one mistake, described control device and described drive unit 11 degree of depth that described temperature tube 2 is inserted in the molten steel 7 that matches becomes big, also promptly at time t
2→ t
3In make temperature tube be inserted into molten steel the degree of depth become L
2, the insertion depth of increase is Δ L=L
2-L
1, its value is more than or equal to the thickness of the scum silica frost 8 on described molten steel 7 surfaces; Described temperature tube 2 insertion depth in molten steel is L
2The residence time at place is above-mentioned Δ t.
Move mode among the repeating step b constantly increases the insertion depth of temperature tube in molten steel and (moves to position L
3, L
4... locate), make described temperature tube 2 piecemeal by described scum silica frost 8 corrosion and erosion, thereby reach the serviceable life that prolongs described temperature tube 2.
C. infrared radiation is sent in the bottom of temperature tube 2; Temperature probe 3 receives the infrared radiation signal that send temperature tube 2 bottoms, and delivers to signal processor 1 by optical fiber 4; Liquid steel level measurement mechanism 5 records the height and the feed signals processor 1 of molten steel 7 liquid levels; Signal processor obtains temperature tube 2 according to molten steel 7 liquid level signals, ladle bottom to the length of the distance of described cross bar and described temperature tube and is inserted into the degree of depth in the molten steel 7, and then obtains the effective emissivity of temperature tube 2; According to the optical radiation signal of bottom and the effective emissivity of temperature tube 2 in the temperature tube 2 that receives, utilize the radiation temperature measurement technique computes to go out the temperature of molten steel 7.
Embodiment 2:
As shown in Figure 1, be used for liquid steel temperature is carried out the device of continuous coverage, as different from Example 1, described control device is mounted in the control circuit in the drive unit, and described temperature tube is a mono-layer tube, an end opening, end sealing.
Present embodiment has also disclosed a kind of continuous temperature measurement method that is applied to molten steel, also is the course of work of above-mentioned continuous temperature measurement device, as shown in Figure 3, said method comprising the steps of:
A. detailed process is identical with step a among the embodiment 1;
B. described drive unit 11 is worked continuously, makes described temperature tube 2 be inserted into the degree of depth in the described molten steel 7 from L
1Increase continuously lentamente, thereby avoiding occurring temperature tube 2 rests on same position for a long time and is corroded and corrodes the situation of breaking, the speed decision that speed that insertion depth increases and described temperature tube 2 are corroded at slag 8 places and are etched, the classification and the described temperature tube 2 employed materials of concrete and described molten steel 7 and slag 8 are relevant;
What c. detailed process was different with step c among the embodiment 1 is to utilize the color comparison temperature measurement technology.
Embodiment 3:
As shown in Figure 1, be used for device that molten steel 7 temperature are carried out continuous coverage, as different from Example 1, described control device is mounted in the control circuit in the drive unit.
Present embodiment has disclosed a kind of continuous temperature measurement method that is applied to molten steel, also is the course of work of above-mentioned continuous temperature measurement device, as shown in Figure 4, said method comprising the steps of:
A. detailed process is identical with step a among the embodiment 1;
B. described drive unit 11 is worked continuously, makes described temperature tube 2 be inserted into the degree of depth in the described molten steel 7 from L
1Be reduced to L lentamente continuously
2Thereby avoiding occurring temperature tube 2 rests on same position for a long time and is corroded and corrodes the situation of breaking, the speed decision that speed that the degree of depth reduces and described temperature tube 2 are corroded and are etched at molten steel 7 surface layers, the classification and the described temperature tube 2 employed materials of concrete and described molten steel 7 and slag 8 are relevant; Described afterwards drive unit 11 is worked continuously, makes described temperature tube 2 be inserted into length in the described molten steel 7 from L
2Increase to L lentamente continuously
1, abide by above-mentioned circulation afterwards;
What c. detailed process was different with step c among the embodiment 1 is to utilize the brightness thermometry.
Embodiment 4:
As shown in Figure 1, be used for device that molten steel 7 temperature are carried out continuous coverage, as different from Example 1, in the described temperature tube temperature thermocouple is installed, but do not re-use temperature probe, described thermopair with owing to adopting different temperature-measurement principles to take place to be electrically connected between the signal processor of corresponding change.
Present embodiment has also disclosed a kind of continuous temperature measurement method that is applied to molten steel, also is the course of work of above-mentioned continuous temperature measurement device, as shown in Figure 2, said method comprising the steps of:
A. detailed process is identical with step a among the embodiment 1;
B. detailed process is identical with step b among the embodiment 1;
C. temperature tube bottom perception liquid steel temperature and be converted to electric signal by thermopair, and then obtain liquid steel temperature.
It is pointed out that above-mentioned embodiment should not be construed as limiting the scope of the invention.Key of the present invention is, by or increase or reduce the degree of depth that described temperature tube is inserted into high-temp liquid continuously or discontinuously, thereby by changing that temperature tube is corroded or the position corroded prolongs serviceable life of temperature tube effectively.Under the situation that does not break away from spirit of the present invention, any type of change that the present invention is made all should fall within protection scope of the present invention.
Claims (10)
1, a kind of continuous temperature measurement method that is applied to high-temp liquid, there is scum layer on described high-temp liquid surface, said method comprising the steps of:
A. be inserted in the high-temp liquid after temperature tube being passed scum layer;
B. change the insertion depth of described temperature tube in described high-temp liquid, be used to change the position that described temperature tube is corroded or corrodes by described scum layer;
C. record the sense temperature of described temperature tube, and then obtain the temperature of high-temp liquid.
2, temp measuring method according to claim 1 is characterized in that: among the described step b, adopt mode continuous or that be interrupted to change the insertion depth of described temperature tube in described high-temp liquid.
3, temp measuring method according to claim 2 is characterized in that: when adopting discontinuous manner, change the thickness of the moving step length of the insertion depth of temperature tube in described high-temp liquid more than or equal to described scum layer.
4, temp measuring method according to claim 1 is characterized in that: the liquid level that also records described high-temp liquid in the measuring process.
5, according to the arbitrary described temp measuring method of claim 1 to 4, it is characterized in that: described high-temp liquid is a molten steel.
6, according to the arbitrary described temp measuring method of claim 1 to 4, it is characterized in that: the mode of the insertion depth of described change temperature tube in described high-temp liquid is for increasing or reduce described insertion depth.
7, according to the arbitrary described temp measuring method of claim 1 to 4, it is characterized in that: described temp measuring method adopts a kind of in radiation temperature measurement technology, brightness thermometry, color comparison temperature measurement technology and the thermocouple temperature measurement technology.
8, a kind of continuous temperature measurement device that is applied to high-temp liquid comprises that an end inserts the temperature tube of high-temp liquid, the temperature measurer that is connected with the temperature tube other end; It is characterized in that: described temperature measuring equipment also comprises the described temperature tube of driving so that temperature tube drive unit that insertion depth changes in described high-temp liquid and the control device of the mode of motion of described temperature tube being made control; Described drive unit and control device cooperate changes the insertion depth of temperature tube in high-temp liquid continuously or discontinuously in measuring process.
9, temperature measuring equipment according to claim 8 is characterized in that: described temperature measuring equipment also comprises the liquid surface measuring device that is used to measure the high-temp liquid liquid level.
10, according to Claim 8 or 9 described temperature measuring equipments, it is characterized in that: described high-temp liquid is a molten steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710067103.XA CN101029848B (en) | 2007-01-29 | 2007-01-29 | Continuous temperature sensing method for high-temperature liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710067103.XA CN101029848B (en) | 2007-01-29 | 2007-01-29 | Continuous temperature sensing method for high-temperature liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101029848A true CN101029848A (en) | 2007-09-05 |
| CN101029848B CN101029848B (en) | 2013-02-20 |
Family
ID=38715311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710067103.XA Expired - Fee Related CN101029848B (en) | 2007-01-29 | 2007-01-29 | Continuous temperature sensing method for high-temperature liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101029848B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607729A (en) * | 2012-03-31 | 2012-07-25 | 天津大学 | Boundary layer temperature measurement method |
| CN103196585A (en) * | 2013-02-20 | 2013-07-10 | 莱芜钢铁集团有限公司 | Continuous temperature measuring method for tundish and continuous temperature measuring device for tundish |
| CN104568223A (en) * | 2015-01-23 | 2015-04-29 | 海宁艾可炫照明电器有限公司 | Continuous measurement method and device for temperature of molten liquid |
| CN105067148A (en) * | 2015-09-19 | 2015-11-18 | 成都创年科技有限公司 | Special liquid temperature detection combined device for chemical experiment |
| CN107246914A (en) * | 2017-06-29 | 2017-10-13 | 中国科学院宁波材料技术与工程研究所 | A kind of method and apparatus of on-line real time monitoring molten steel temperature |
| CN107557528A (en) * | 2017-08-28 | 2018-01-09 | 中国科学院宁波材料技术与工程研究所 | A kind of molten steel temperature regulation and control method and its device |
| CN112113677A (en) * | 2020-08-21 | 2020-12-22 | 浙江英洛华磁业有限公司 | Neodymium iron boron smelting temperature measuring device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU558925B2 (en) * | 1984-04-27 | 1987-02-12 | Nippon Steel Corporation | Monitoring and controlling the slag-forming conditions in the basic oxygen steel converter |
-
2007
- 2007-01-29 CN CN200710067103.XA patent/CN101029848B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607729A (en) * | 2012-03-31 | 2012-07-25 | 天津大学 | Boundary layer temperature measurement method |
| CN103196585A (en) * | 2013-02-20 | 2013-07-10 | 莱芜钢铁集团有限公司 | Continuous temperature measuring method for tundish and continuous temperature measuring device for tundish |
| CN104568223A (en) * | 2015-01-23 | 2015-04-29 | 海宁艾可炫照明电器有限公司 | Continuous measurement method and device for temperature of molten liquid |
| CN105067148A (en) * | 2015-09-19 | 2015-11-18 | 成都创年科技有限公司 | Special liquid temperature detection combined device for chemical experiment |
| CN107246914A (en) * | 2017-06-29 | 2017-10-13 | 中国科学院宁波材料技术与工程研究所 | A kind of method and apparatus of on-line real time monitoring molten steel temperature |
| CN107557528A (en) * | 2017-08-28 | 2018-01-09 | 中国科学院宁波材料技术与工程研究所 | A kind of molten steel temperature regulation and control method and its device |
| CN112113677A (en) * | 2020-08-21 | 2020-12-22 | 浙江英洛华磁业有限公司 | Neodymium iron boron smelting temperature measuring device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101029848B (en) | 2013-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101029848A (en) | Continuous temperature sensing method and apparatus for high-temperature liquid | |
| EP2712420B1 (en) | Furnace structural integrity monitoring systems and methods | |
| CN102361250B (en) | Field operation and maintenance method for operation composite insulator based on performance evaluation | |
| US20180067201A1 (en) | Method and apparatus for measuring the length of an electrode in an electric arc furnace | |
| CN204007597U (en) | Tunnel cross section convergence distortion automatic monitoring system | |
| JP7241749B2 (en) | Blast furnace condition monitoring | |
| CN102706901A (en) | Microwave non-destructive testing device and method for metal structure corrosion under protection layer | |
| CN100351615C (en) | Pyrometer | |
| CN1186601C (en) | Multipoint thermocouple transducer | |
| CN102809283A (en) | Method for determining material temperature field in rotary kiln | |
| CN1975310A (en) | High-temperature reactor inner wall corrosion damage prewarning method | |
| JP2004271446A (en) | Method and instrument for measuring coal charge level in coke oven | |
| ITMI20090470A1 (en) | MEASUREMENT EQUIPMENT OF THE POSITION OF THE ELECTRODES IN AN ELECTRIC OVEN | |
| CN102952920B (en) | Method for measuring etched thickness of working surface of converter lining | |
| CN200968883Y (en) | High-temperature liquid temperature continuous measurement apparatus | |
| CN212779603U (en) | Plug-in temperature measuring device for glass kiln | |
| CN111060180A (en) | Device and method for collecting TFT kiln glass liquid level signals | |
| US20220196573A1 (en) | Measurement system for rock volume change under microwave action and method thereof | |
| CN210774435U (en) | Concrete construction detection temperature sensor | |
| CN112226561B (en) | Blast furnace lining monitoring method based on impact echo method | |
| CN1022777C (en) | Method and device for measuring temperature of high-temperature melt | |
| JP4836630B2 (en) | Apparatus and method for monitoring the amount of deposits in liquid | |
| CN218350173U (en) | Cable seal lead damage detection device | |
| Hopf | Monitoring the wear of water-cooled tap-hole blocks by the OPTISAVE fibre-optic method | |
| CN215865526U (en) | Glass kiln temperature control mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JUGUANG SCIENCE AND TECHNOLOGY (HANGZHOU) CO., LTD Free format text: FORMER OWNER: WANG JIAN Effective date: 20090612 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090612 Address after: Hangzhou City, Zhejiang province Binjiang District Binhu road 760 post encoding: 310052 Applicant after: Juguang Sci. & Tech. (Hangzhou) Co., Ltd. Address before: Hangzhou City, Zhejiang Province, Binjiang District Lake Road 1180 No. 3 Building 2 floor post encoding: 310052 Applicant before: Wang Jian |
|
| ASS | Succession or assignment of patent right |
Owner name: WUXI FPI SENSOR NETWORK CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20101122 Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Applicant after: Focused Photonics (Hangzhou) Inc. Co-applicant after: Wuxi Juguang Shengshi Sensor Network Co., Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Applicant before: Focused Photonics (Hangzhou) Inc. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |